Old straight engine inline engine - parts - print ready 3D print model

I presented painting suggestions on renderings A straight-four engine (also called an inline-four) is a four-cylinder piston engine where cylinders are arranged in a line along a common crankshaft. S-21 model mount in old polish car Zuk, Nysa, Tarpan and Warszawa. Carburetor, Starter, water-pomp, Air-filter, oil-filter, manifold, alternator, cylinder head, block and other parts. In my other projects there are (or will) other parts of the car and this engine in one element

Scale 1:10, Non manifold: 0, Intersect faces: 0 but contains small element